157193 Pearl-bordered Fritillary - Boloria euphrosyne - male (top row) - female (bottom row). Wingspan 42mm. A classic woodland butterfly whose fate is linked to appropriate habitat management. Adult has orange brown upperwings with dark markings; underside of hindwing is beautifully patterned with seven silver spots on the margin and two in the middle. Flies May-June. Larva is black with a pale lateral band, and yellow, hairy spikes on dorsal surface; feeds on violets. Widespread but local in British Isles; hotspots are southern England and west Scotland.